A fluorophore-labeled human cell. A fluorophore (or fluorochrome, similarly to a chromophore) is a fluorescent chemical compound that can re-emit light upon light excitation. Fluorophores typically contain several combined aromatic groups, or planar or cyclic molecules with several Ï bonds.
IN THIS TOPIC. Pregnancy symptoms are different for everyone, and can vary from month to month and even from pregnancy to pregnancy. Find out what to expect, from the earliest pregnancy symptoms to the wooziness of morning sickness to the aches and pains of your third trimester.
The time period of morning sickness during pregnancy is around 7-8 weeks. Morning sickness is one of the commonest symptoms of pregnancy in first trimester. In most women, symptoms of morning sickness start in 5th to 6th week of pregnancy. These symptoms are mild and go away after the 12 to 14 weeks. Some pregnant women experience severe nausea and vomiting.